Inventor · disambiguated record
Warren R. Hafstrom
Also filed as: HAFSTROM WARREN R · HAFSTROM WARREN RICHARD
4 granted patents·35 citations·filing 1975–1986
73Inventor score
Files withWHIRLPOOL CO4
Top patents by PatentIndex Score
4 records- 0163US4452054AAgitator thruster for an automatic washerWHIRLPOOL CO·Filed 1981·Granted Jun 5, 1984·22 cites·7 claims
- 0239US4022147AFlywheel impelled cycle signal for applianceWHIRLPOOL CO·Filed 1975·Granted May 10, 1977·7 cites·16 claims
- 0333US4291238APower switch moduleWHIRLPOOL CO·Filed 1980·Granted Sep 22, 1981·5 cites·19 claims
- 0422US4709951AOpen lid latching mechanism for automatic washerWHIRLPOOL CO·Filed 1986·Granted Dec 1, 1987·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →